We use standard notions and terms for graphs as used in [1]}. For instance,
for a graph \(G\) , we let \(V(G)\)  be the vertex set of \(G\) , and \(E(G)\)  be the edge set of \(G\) .
Also, throughout this paper,
we use \([n]\)  to denote the set \(\lbrace 1,2,\ldots , n\rbrace \) .
